diff --git a/Cargo.lock b/Cargo.lock
index 6b8e065..4598b1c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "autocfg"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
-
 [[package]]
 name = "codespan-reporting"
 version = "0.13.1"
@@ -33,27 +27,12 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
-[[package]]
-name = "indoc"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
-
 [[package]]
 name = "libc"
 version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.21.3"
@@ -77,35 +56,32 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.27.2"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab53c047fcd1a1d2a8820fe84f05d6be69e9526be40cb03b73f86b6b03e6d87d"
+checksum = "fcf3ccafdf54c050be48a3a086d372f77ba6615f5057211607cd30e5ac5cec6d"
 dependencies = [
- "indoc",
  "libc",
- "memoffset",
  "once_cell",
  "portable-atomic",
  "pyo3-build-config",
  "pyo3-ffi",
  "pyo3-macros",
- "unindent",
 ]
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.27.2"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b455933107de8642b4487ed26d912c2d899dec6114884214a0b3bb3be9261ea6"
+checksum = "972720a441c91fd9c49f212a1d2d74c6e3803b231ebc8d66c51efbd7ccab11c8"
 dependencies = [
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.27.2"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c85c9cbfaddf651b1221594209aed57e9e5cff63c4d11d1feead529b872a089"
+checksum = "5994456d9dab8934d600d3867571b6410f24fbd6002570ad56356733eb54859b"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -113,9 +89,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.27.2"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a5b10c9bf9888125d917fb4d2ca2d25c8df94c7ab5a52e13313a07e050a3b02"
+checksum = "11ce9cc8d81b3c4969748807604d92b4eef363c5bb82b1a1bdb34ec6f1093a18"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -125,9 +101,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.27.2"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b51720d314836e53327f5871d4c0cfb4fb37cc2c4a11cc71907a86342c40f9"
+checksum = "eaf4b60036a154d23282679b658e3cc7d88d3b8c9a40b43824785f232d2e1b98"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -138,9 +114,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.36"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
+checksum = "21b2ebcf727b7760c461f091f9f0f539b77b8e87f2fd88131e7f1b433b3cece4"
 dependencies = [
  "proc-macro2",
 ]
@@ -178,9 +154,9 @@ dependencies = [
 
 [[package]]
 name = "target-lexicon"
-version = "0.13.2"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e502f78cdbb8ba4718f566c418c52bc729126ffd16baee5baa718cf25dd5a69a"
+checksum = "b1dd07eb858a2067e2f3c7155d54e929265c264e6f37efe3ee7a8d1b5a1dd0ba"
 
 [[package]]
 name = "termcolor"
@@ -203,12 +179,6 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68f5e5f3158ecfd4b8ff6fe086db7c8467a2dfdac97fe420f2b7c4aa97af66d6"
 
-[[package]]
-name = "unindent"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7de7d73e1754487cb58364ee906a499937a0dfabd86bcb980fa99ec8c8fa2ce"
-
 [[package]]
 name = "winapi-util"
 version = "0.1.8"
diff --git a/pyproject.toml b/pyproject.toml
index 6aa0ef1..80e5348 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 dynamic = ["version"]
 
 [project.optional-dependencies]
-dev = ["pytest>=7.4.4", "ruff==0.14.14", "pyright>=1.1.293", "build"]
+dev = ["pytest>=7.4.4", "ruff==0.15.0", "pyright>=1.1.293", "build"]
 
 [tool.pyright]
 include = ["src", "tests"]
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index e2447d0..f7769b7 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -9,5 +9,5 @@ name = "codespan_reporting_pyo3"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.27.0", features = ["abi3-py310"] }
+pyo3 = { version = "0.28.0", features = ["abi3-py310"] }
 codespan-reporting = "0.13.0"